#
# Try to find GLEW library and include path.
# Once done this will define
#
# GLEW_FOUND
# GLEW_INCLUDE_PATH
# GLEW_LIBRARY
#

IF (WIN32)
FIND_PATH( GLEW_INCLUDE_PATH GL/glew.h
$ENV{PROGRAMFILES}/GLEW/include
${GLEW_ROOT_DIR}/include
DOC "The directory where GL/glew.h resides")

IF (NV_SYSTEM_PROCESSOR STREQUAL "AMD64")
FIND_LIBRARY( GLEW_LIBRARY
NAMES glew64 glew64s
PATHS
$ENV{PROGRAMFILES}/GLEW/lib
${PROJECT_SOURCE_DIR}/src/nvgl/glew/bin
${PROJECT_SOURCE_DIR}/src/nvgl/glew/lib
DOC "The GLEW library (64-bit)"
)
ELSE(NV_SYSTEM_PROCESSOR STREQUAL "AMD64")
FIND_LIBRARY( GLEW_LIBRARY
NAMES glew GLEW glew32 glew32s
PATHS
$ENV{PROGRAMFILES}/GLEW/lib
${PROJECT_SOURCE_DIR}/src/nvgl/glew/bin
${PROJECT_SOURCE_DIR}/src/nvgl/glew/lib
DOC "The GLEW library"
)
ENDIF(NV_SYSTEM_PROCESSOR STREQUAL "AMD64")
ELSE (WIN32)
FIND_PATH( GLEW_INCLUDE_PATH GL/glew.h
/usr/include
/usr/local/include
/sw/include
/opt/local/include
${GLEW_ROOT_DIR}/include
DOC "The directory where GL/glew.h resides")

FIND_LIBRARY( GLEW_LIBRARY
NAMES GLEW glew
PATHS
/usr/lib64
/usr/lib
/usr/local/lib64
/usr/local/lib
/sw/lib
/opt/local/lib
${GLEW_ROOT_DIR}/lib
DOC "The GLEW library")
ENDIF (WIN32)

SET(GLEW_FOUND "NO")
IF (GLEW_INCLUDE_PATH AND GLEW_LIBRARY)
SET(GLEW_LIBRARIES ${GLEW_LIBRARY})
SET(GLEW_FOUND "YES")
ENDIF (GLEW_INCLUDE_PATH AND GLEW_LIBRARY)


include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(GLEW DEFAULT_MSG GLEW_LIBRARY GLEW_INCLUDE_PATH)
